Just by looking at a site you can usually see if it has been built using wordpress ... but that is no bad thing. The various plug-in enable features like shopping carts, other languages etc enable Wordpress sites to cover most requirements. The Wordpress  back office has a common look that means that people with wordpress knowledge can navigate it fairly easily.
A .PHP built site is far more versatile and can easily be made to look unique. With the right site builders with .PHP knowledge there is no end to the faciiites that can be provided and the back office can be tailor made to be very simple and thus enabling even the most time poor or IT illiterate people to edit their own site.
Let us help you decide the right website building blocks for your requirements.